Stock Plans - Summary of Stock Option Activity (Detail) - $ / shares	12 Months Ended
	Dec. 31, 2025	Dec. 31, 2024	Dec. 31, 2023
Shares
Beginning balance, outstanding (in shares)	15,018	26,536	58,156
Exercised (in shares)	(12,776)	(10,666)	(31,394)
Forfeited (in shares)	(25)	(852)	(226)
Ending balance, outstanding (in shares)	2,217	15,018	26,536
Weighted Average Exercise Price
Beginning, weighted average exercise price (in dollars per share)	$ 45.10	$ 45.95	$ 46.48
Exercised (in dollars per share)	44.53	46.93	46.90
Forfeited (in dollars per share)	54.29	48.65	49.44
Ending, weighted average exercise price (in dollars per share)	$ 48.30	$ 45.10	$ 45.95
Exercisable at year-end (in shares)	2,217	15,018	26,536